Dye|Dye intermediates|Fluorescent Brightener|pigment dye

7-Hydroxynaphthalene-1,3-disulfonic acid

Name: 7-Hydroxynaphthalene-1,3-disulfonic acid

CA Name: 1,3-Naphthalenedisulfonic acid,7-hydroxy-

Molecular Structure:

7-Hydroxynaphthalene-1,3-disulfonic acid,1,3-Naphthalenedisulfonic acid,7-hydroxy-,CAS 118-32-1,304.27,C10H8O7S2

Molecular Formula:C₁₀H₈O₇S₂

Molecular Weight: 304.27

CAS Registry Number: 118-32-1

List of synthetic dyes :

C.I.Solvent Red 35

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This entry was posted on Monday, May 27th, 2013 at 6:33 AM and is filed under Dye intermediates. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

5 Responses to “7-Hydroxynaphthalene-1,3-disulfonic acid”

1. Acid Orange 95 on September 11th, 2013 at 7:01 AM

   […] Methods : 1,1-Bis(4-aminophenyl)cyclohexane double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol […]

2. Acid Red 85 on September 13th, 2013 at 2:52 AM

   […] Methods : 4-(4-Aminophenyl)benzenamine double nitriding, then respectively and 7-Hydroxynaphthalene-1,3-disulfonic acid and phenol coupling, garnish with 4-Methylbenzene-1-sulfonyl chloride make phenol hydroxyl […]

3. Food Orange 4 on November 12th, 2013 at 1:59 AM

   […] Manufacturing Methods : aniline diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling. […]

4. Food Orange 4:1 on November 12th, 2013 at 2:00 AM

   […] Methods : aniline diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling, and then translate into aluminum […]

5. Direct Red 39 on November 15th, 2013 at 6:06 AM

   […] Methods :  3,3′-Dimethylbenzidine double nitriding, first and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling, and then coupled with phenol, finally under certain pressure and heat monomer (VCM), […]

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